<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @copyright   Copyright (c) 2014 X.commerce, Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

namespace Magento\Catalog\Model\Indexer\Category;

/**
 * Class AffectCache
 */
class AffectCache
{
    /**
     * @var \Magento\Indexer\Model\CacheContext
     */
    protected $context;

    /**
     * @param \Magento\Indexer\Model\CacheContext $context
     */
    public function __construct(
        \Magento\Indexer\Model\CacheContext $context
    ) {
        $this->context = $context;
    }

    /**
     * @param \Magento\Indexer\Model\ActionInterface $subject
     * @param array $ids
     * @return array
     */
    public function beforeExecute(\Magento\Indexer\Model\ActionInterface $subject, $ids)
    {
        $this->context->registerEntities(\Magento\Catalog\Model\Category::CACHE_TAG, $ids);
        return array($ids);
    }
}
